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1393225
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Information
Patent Grant
1393225
References
Source
Patent Number
1,393,225
Date Filed
Not available
Date Issued
Tuesday, October 11, 1921
102 years ago
CPC
C04B14/08 - Diatomaceous earth
C04B38/0645 - Burnable, meltable, sublimable materials
F16L59/00 - Thermal insulation in general
Y02W30/91 - Use of waste materials as fillers for mortars or concrete
US Classifications
501 - Compositions: ceramic
106 - Compositions: coating or plastic
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